Under 21 CFR Part 1271, which category of HCT/Ps is subject to the least regulatory oversight?
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A
361 HCT/Ps meeting all criteria for minimal manipulation and homologous use
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B
351 HCT/Ps requiring a BLA
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C
HCT/Ps combined with a drug
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D
HCT/Ps used in non-homologous applications